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3,661
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texts 3,661
COLLECTION
TOPIC
system technical 3,661
bell system 3,473
technical journal 673
frequency 642
system 440
transmission 406
circuit 364
signal 343
data 269
bell 233
noise 215
error 210
equation 209
output 208
network 193
phase 189
probability 184
impedance 179
cable 171
telephone 166
voltage 160
current 158
theorem 156
channel 155
loss 154
magnetic 154
mode 153
input 151
waveguide 151
power 144
filter 141
optical 141
circuits 140
antenna 138
fiber 136
pulse 132
digital 128
electron 126
switching 125
exp 124
values 121
wave 121
field 120
modes 120
function 117
beam 116
repeater 113
sin 112
design 111
amplitude 108
attenuation 106
carrier 106
matrix 105
program 105
equations 104
speech 104
amplifier 103
dielectric 102
trunk 94
coupling 93
receiver 93
test 92
distribution 91
tube 90
delay 89
gain 86
control 84
distortion 82
gaussian 82
linear 82
modulation 82
diode 80
fibers 80
code 77
oscillator 77
frequencies 76
propagation 76
random 76
loop 75
technical 73
surface 72
transistor 72
satellite 71
error rate 70
transmitter 70
temperature 69
bell telephone 68
filters 65
magnetic field 65
networks 64
electrons 63
wire 63
ess 62
radio 62
resistance 61
spectrum 60
algorithm 59
lemma 59
relay 59
bandwidth 58
nonlinear 58
signaling 58
cathode 57
ghz 57
measurements 57
approximation 56
model 56
density 55
integral 55
interference 55
software 55
systems 55
calls 54
crosstalk 54
impulse response 54
silicon 54
fourier 53
measurement 53
central office 52
coaxial 52
equalizer 52
transfer function 52
sequence 51
coding 50
processor 50
radiation 50
terminal 50
aperture 49
capacitance 49
spectral 49
optimum 48
repeaters 48
signals 48
solution 48
trunks 48
upper bound 48
vector 48
western electric 48
crystal 47
energy 47
phase shift 47
average 46
binary 46
functions 46
response 46
toll 46
center 45
core 45
curves 45
lens 45
differential 44
polarization 44
pulses 44
transfer 44
electric field 43
germanium 43
impulse 43
rate 43
bell laboratories 42
errors 42
feedback 42
operating system 42
sample 42
transmitting 42
dielectric constant 41
grid 41
optical fiber 41
propagation constant 41
source 41
standard deviation 41
unit 41
error probability 40
frame 40
noise figure 40
scattering 40
space charge 40
spectral density 40
user 40
coefficients 39
coil 39
echo 39
measured 39
sampling 39
velocity 39
adaptive 38
cables 38
coder 38
contact 38
curve 38
fourier transform 38
journal 38
message 38
pcm 38
probability density 38
waves 38
charge 37
current density 37
detector 37
fading 37
power spectrum 37
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